#include "Derive1.h"
#include <iostream>
using namespace std;
Derive1::Derive1()
{
}

Derive1::~Derive1()
{
}

void Derive1::f1() 
{
  cout << "Derive1::f1()" << endl;
}

void Derive1::f3() 
{
  cout << "Derive1::f3()" << endl;
}

